# Missing Couple Could Expose a Serial Killer (S1, E5) | Murder in The 21st | Full Episode

Free with YouTube's ads, posted by A&E.

A horrific quadruple homicide goes unsolved for over a decade. While one investigation goes cold, another heats up as the search for a missing couple holds the key to unravelling the secrets of a serial killer, in Season 1, Episode 5, "In Plain Sight."

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“Murder in the 21st” is a compelling new true crime series exploring some of this century’s most notorious homicide investigations through a deep dive into each victim’s digital footprint. A&E® leads the cultural conversation through high-quality, thought provoking original programming with a unique point of view. Whether it’s the network’s distinctive brand of award-winning disruptive reality or groundbreaking documentary, A&E makes entertainment an art form. Visit us at aetv.com for more info.

- What it is: Full episode
- Series: [Full episodes from A&E](https://invisiblenetwork.ai/library/rights-holders/series/c485c01c2bf0)
- Previous episode: [When Friendly Suspects Turn Dangerous (S1, E5) | Undercover: Caught on Tape | Full Episode](https://invisiblenetwork.ai/watch/rights-holders/53UEZHcabCU)
- Next episode: [Reckless SUV Driver Hits Biker & Car With Baby Inside (S1, E9) | Road Wars | Full Episode](https://invisiblenetwork.ai/watch/rights-holders/5uWtd0qjCEw)
- Length: 43 min
- Rights holder: [A&E Television Networks, LLC](http://www.aetv.com) (its site links the channel: https://www.aetv.com/)
- Channel: [A&E](https://www.youtube.com/channel/UCNIFiHaLZkYASaWDdkC1njg)
- Plays: Only in 22 countries, as its rights holder set it on YouTube
- Who can watch here: Adult profiles and older (no rating is recorded on YouTube, so adults only)
- Made for kids: No, as YouTube designates it
- On YouTube: [Watch on YouTube](https://www.youtube.com/watch?v=eZBfX5eyF9E)

It plays in YouTube's embedded player on its page here, loaded only when Play is pressed; YouTube's Terms of Service (https://www.youtube.com/t/terms) and Google's Privacy Policy (https://policies.google.com/privacy) apply to it.